Perfeddnant is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 15 August 2000. House.
Perfeddnant
- WRENN ID
- stony-chancel-violet
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 15 August 2000
- Type
- House
- Address
- Perfeddnant, Bryn Crug, Tywyn, Bryn-Crug, Gwynedd
- OS grid reference
- SH 628 055
- Coordinates
- 52.63017, -4.02728
- Source
- Cadw listing
Description
Perfeddnant is a building constructed from local rubble stone, featuring some areas of surviving rendering, with ashlar and slate roofs and lateral stacks on the original range. The original entrance is located on the west side, behind an added wing. It consists of a doorway with a three-centred depressed head made from long radial stone voussoirs, topped with a square drip course and a datestone inscribed with "C / V A / 1711." To the right, the wall has been rebuilt using squared stone, and there are three bays of uPVC windows on the ground floor set into original openings with slate sills. The upper floor has raised dormers that contain similar windows within small bargeboarded gables. The northwest gable end, which faces the road, features coped kneelers and has a modern uPVC glazed door on the ground floor, raised over a cellar and accessed by a winding stair. The first floor includes a two-light window with a drip label and a small square window, also with a drip course, in the attic (renewed in uPVC). This elevation extends westward with a 19th-century wing that has one raised dormer and a small squint in the angle. The northeast side has two significant stacks, one being a lateral stack for the hall, connected by a pitched roof, and a shouldered secondary stack for the rear inner room. There is a continuous lean-to along the entire side, with the old thick slate roof partly replaced by corrugated asbestos. The attic loft is accessed at ground level from the upper gable end. The building was not accessible at the time of inspection.
Local climate
Perfeddnant sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 25 freeze-thaw cycles a year, fewer than 73% of listed buildings. Of these, 10 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- Sale history — 1 transaction since 2010
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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